公开(公告)号：US20190355943A1

公开(公告)日：2019-11-21

申请号：US16413749

申请日：2019-05-16

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Xinxiang Chen ,  Chengyou Xing ,  Shoujun Huang ,  Yulian Zheng ,  Peng Wang

IPC: H01M2/04 ,  H01M2/26 ,  H01M2/08 ,  H01M2/34 ,  H01M2/12 ,  H01M10/0525 ,  H01M2/30

Abstract: The present disclosure provides a top cover assembly of a secondary battery. The top cover assembly includes: a top cover plate and a gas exhaust valve mounted in the top cover plate. The gas exhaust valve includes a valve body, a valve sleeve and a valve cover. The valve body includes a valve part, and the valve part is provided with a gas exhaust hole that communicates with an interior of the secondary battery. The valve cover seals and is connected to the valve body to form an accommodation space. The valve sleeve is located in the accommodation space, and the valve sleeve covers the valve part. A gas exhaust passage is disposed between the valve sleeve and the valve part, the valve cover is provided with a venting hole that communicates with outside, and the gas exhaust passage communicates with the gas exhaust hole and the venting hole.

公开(公告)号：US12009547B2

公开(公告)日：2024-06-11

申请号：US17564598

申请日：2021-12-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenlin Zhou ,  Yulian Zheng ,  Xinxiang Chen ,  Liangfan Xu ,  Peng Wang ,  Haizu Jin

IPC: H01M50/00 ,  H01M50/147 ,  H01M50/536

CPC classification number: H01M50/536 ,  H01M50/147 ,  H01M2220/20

Abstract: The embodiments of this application provide a battery cell, a battery, an electrical device, and a battery cell manufacturing method and device, which pertains to the technical field of batteries. The battery cell includes an electrode assembly, a housing, an end cover assembly, and a support piece. The electrode assembly includes a main body and tabs. The housing has an opening and is used to accommodate the electrode assembly. The end cover assembly is used to cover the opening. The support piece is located between the main body and the end cover assembly, the tabs are bent around the support piece, and the support piece is configured to prevent the main body from moving along a direction facing the end cover assembly.

公开(公告)号：US20240006687A1

公开(公告)日：2024-01-04

申请号：US18470442

申请日：2023-09-20

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xinxiang Chen ,  Denghua Lin ,  Yulian Zheng ,  Peng Wang ,  Haizu Jin

IPC: H01M50/103 ,  H01M50/507 ,  H01M50/503 ,  H01M50/516

CPC classification number: H01M50/103 ,  H01M50/507 ,  H01M50/503 ,  H01M50/516 ,  H01M2220/20

Abstract: Embodiments provide a battery, an electric device, and a method and a device for preparing battery cell, featuring a higher space utilization. The battery includes: a plurality of battery cells, where the plurality of battery cells are arranged in a first direction, a first region on an edge of a first surface of each of the plurality of battery cells is recessed to form a first recess, a first electrode terminal of each of the battery cells is protrusively provided on a second surface of the battery cell, the first surface and the second surface are perpendicular to the first direction, and the plurality of battery cells include a first battery cell and a second battery cell that are adjacent; and a first busbar configured to connect first electrode terminals of the adjacent first battery cell and second battery cell.

公开(公告)号：US20220102749A1

公开(公告)日：2022-03-31

申请号：US17547312

申请日：2021-12-10

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Huasheng SU ,  Lei Chen ,  Yulian Zheng ,  Xinxiang Chen

IPC: H01M10/04 ,  H01M50/176 ,  H01M50/531 ,  H01M50/591

Abstract: The present application relates to a secondary battery, a battery module and a device. The secondary battery includes a cap plate assembly; an electrode assembly, including a main body and a tab extending from the main body; an electrode terminal, arranged at the cap plate assembly to electrically connect with the tab; a first pressing-against member, arranged between the cap plate assembly and the main body, herein an accommodating space is formed between the first pressing-against member and the electrode terminal; a second pressing-against member, arranged between the cap plate assembly and the main body; herein a part of the tab, that passes between the first pressing-against member and the second pressing-against member and extends into the accommodating space, is connected to the electrode terminal, and the first pressing-against member and the second pressing-against member press against two opposite surfaces of the tab respectively.

公开(公告)号：US11094985B2

公开(公告)日：2021-08-17

申请号：US16413749

申请日：2019-05-16

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Xinxiang Chen ,  Chengyou Xing ,  Shoujun Huang ,  Yulian Zheng ,  Peng Wang

IPC: H01M50/147 ,  H01M50/543 ,  H01M50/578 ,  H01M10/0525 ,  H01M50/183 ,  H01M50/342 ,  H01M50/531

Abstract: The present disclosure provides a top cover assembly of a secondary battery. The top cover assembly includes: a top cover plate and a gas exhaust valve mounted in the top cover plate. The gas exhaust valve includes a valve body, a valve sleeve and a valve cover. The valve body includes a valve part, and the valve part is provided with a gas exhaust hole that communicates with an interior of the secondary battery. The valve cover seals and is connected to the valve body to form an accommodation space. The valve sleeve is located in the accommodation space, and the valve sleeve covers the valve part. A gas exhaust passage is disposed between the valve sleeve and the valve part, the valve cover is provided with a venting hole that communicates with outside, and the gas exhaust passage communicates with the gas exhaust hole and the venting hole.

公开(公告)号：US20190355944A1

公开(公告)日：2019-11-21

申请号：US16413762

申请日：2019-05-16

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Xinxiang Chen ,  Shoujun Huang ,  Chengyou Xing ,  Yulian Zheng ,  Peng Wang

IPC: H01M2/04 ,  H01M2/26 ,  H01M2/08 ,  H01M2/34 ,  H01M2/12 ,  H01M10/0525 ,  H01M2/30

Abstract: The present disclosure provides a secondary battery and a top cover assembly thereof. The top cover assembly includes: a top cover plate and a valve sleeve. The top cover plate includes an accommodation groove and a valve part protruding upward from a bottom wall of the accommodation groove, and the valve part is provided with at least one gas exhaust hole that communicates with an interior of the secondary battery. The valve sleeve is located in the accommodation groove and covers the valve part, a gas exhaust passage that communicates with outside is disposed between the valve sleeve and the valve part, and the gas exhaust passage communicates with the at least one gas exhaust hole.